<!DOCTYPE html>
<html>
<head>
  <meta charset="UTF-8">
  <!-- import CSS -->
  <link rel="stylesheet" href="https://cdn.staticfile.org/element-ui/2.15.9/theme-chalk/index.css">

</head>
<body>
<div id="app">
  <el-row gutter="20">
    <el-col span="6"><el-card><img src="imgs/a.jpg" width="100%"></el-card></el-col>
    <el-col span="6"><el-card><img src="imgs/b.jpg" width="100%"></el-card></el-col>
    <el-col span="6"><el-card><img src="imgs/c.jpg" width="100%"></el-card></el-col>
    <el-col span="6"><el-card><img src="imgs/d.jpg" width="100%"></el-card></el-col>
  </el-row>
</div>
</body>
<!-- import Vue before Element -->
<script src="https://cdn.staticfile.org/vue/2.6.14/vue.min.js"></script>
<!-- import JavaScript -->
<script src="https://cdn.staticfile.org/element-ui/2.15.9/index.min.js"></script>
<script>
 let v = new Vue({
    el: '#app',
    data: function() {
      return {

      }
    },
   methods:{

   }
  })
</script>
</html>